WEBVTT FILE
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>> KATRINA: HELLO FRIENDS OF
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NASA!
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I'M KATRINA JACKSON AND WE'RE
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HERE AT NASA'S GODDARD SPACE
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FLIGHT CENTER IN GREENBELT,
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MARYLAND.
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>> WELCOME TO OUR STUDIO FROM
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WHERE YOU MAY BE WATCHING.
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AND FOR THE NEXT 25 MINUTES OR
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SO WE'RE GOING TO BE TALKING
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ABOUT TOMORROW MORNING'S LUNAR
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ECLIPSE, THE MORNING OF
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JANUARY 31ST, WHICH WE'RE
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CALLING THE “SUPER BLUE BLOOD
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MOON,” AND WE'LL TALK ABOUT SOME
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OF THE LATEST NASA SCIENCE ON
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THE MOON.
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TO HELP ME DO THAT, I'M JOINED
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TODAY BY
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DRS. MICHELLE THALLER AND NOAH
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PETRO, WHO ARE BOTH FOUNTAINS OF
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KNOWLEDGE ABOUT ALL THINGS MOON
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AND ALL THINGS SPACE.
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SO IF YOU HAVE ANY BURNING
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QUESTIONS ABOUT THE MOON, LEAVE
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A COMMENT ON WHICHEVER PLATFORM
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YOU'RE USING - WHETHER THAT'S
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FACEBOOK, INSTAGRAM, OR YOU CAN
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USE THE HASHTAG #ASKNASA ON
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TWITTER - AND WE'LL ANSWER A FEW
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OF YOUR QUESTIONS LIVE.
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BUT FIRST, LET'S GET SOME OF THE
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INFORMATION.
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MICHELLE, WHAT EXACTLY IS GOING
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ON WITH THE MOON TONIGHT, AND
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HOW CAN PEOPLE WATCH IT?
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>> WE HAVE THREE WONDERFUL
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THINGS THAT ARE LINING UP
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TONIGHT.
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WE'RE CALLING IT THE SUPER BLUE
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BLOOD MOON.
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WHAT IS HAPPENING TONIGHT IS A
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LUNAR ECLIPSE.
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AND THAT HAPPENS WHEN THE MOON
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MOVES INTO THE SHADOW OF THE
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EARTH.
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BUT THE WONDERFUL THING IS THAT
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THE MOON WILL BE TURNING RED AS
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THAT HAPPENS.
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THE MOON WILL MOVE TO THE SHADOW
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OF THE EARTH, TURNING RED,
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CALLING IT THE BLOOD MOON, AND
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THEN MOVING OUT.
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THE PEOPLE ON THE WESTERN PART
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OF THE UNID STATES, YOU SEE
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HOW MUCH OF THE ECLIPSE IS
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VISIBLE DEPENDING ON WHERE YOU
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ARE IN THE COUNTRY.
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THE MOON WILL BE SETTING AS THE
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ECLIPSE STARTS SO WE WILL NOT
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SEE THE RED MOON, BUT IF YOU'RE
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IN CENTRAL UNITED STATES AND IN
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THE WEST COAST YOU HAVE A CHANCE
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TO SEE THE ENTIRE ECLIPSE.
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THIS IS GOING TO BE HAPPENING
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BEFORE DAWN.
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YOU SEE HERE THESE ARE TIMES,
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PACIFIC STANDARD TIMES.
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IF YOU'RE ON THE WEST COAST THE
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ECLIPSE WILL BEGIN AT 3:30 IN
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THE MORNING.
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THE DARKEST, DEEPEST PART OF THE
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ECLIPSE IS 5:30 IN THE MORNING,
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AGAIN, PACIFIC TIME.
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WHEREVER YOU ARE IN THE COUNTRY,
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TAKE THIS AND MOVE THE TIMES
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AROUND TO WHERE THEY ARE FOR YOU
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AND FOR THE EAST COAST THINGS
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WILL BE SETTING AS THE ECLIPSE
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BEGINS.
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THE REASON WHY THE MOON WILL
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TURN RED, IF YOU'RE ON THE MOON
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SURFACE, THE EARTH IS GNG IN
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THE WAY OF THE SUN.
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IN A WAY YOU'RE HAVING A TOTAL
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ECLIPSE OF THE SUN IF YOU'RE
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STANDING ON THE SURFACE OF THE
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MOON.
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THE MOON IS LIKE SCATTERING TO
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THE EDGE OF THE EARTH'S
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ATMOSPHERE.
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THAT'S WHY THE SUNSETS ARE GOING
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ON ALL AROUND THE PLANET.
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THE REASON WHY IT'S RED IS THE
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SUNLIGHT HAS TO PASS THROUGH A
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LARGE AMOUNT OF AIR ON THE SIDE
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OF THE EARTH, THAT SCATTERS ANY
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WERE YOU LIGHT AND LET'S THE RED
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LIGHT COME ON THROUGH.
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THE RED MOON YOU'LL SEE IS THE
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EFFECT OF ALL THE SUNRISE AND
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SUNSETS REFLECTING OFF THE MOON,
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WHICH I THINK IS REALLY LOVELY.
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THAT IS THE BLOOD MOON.
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THE ECLIPSE THAT IS GOING ON.
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THE OTHER THING GOING ON IS THE
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SUPER MOON.
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THE SUPER MOON HAPPENS WHEN THE
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FULL MOON IS LARGER THAN NORMAL
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BECAUSE THE MOON IS CSER.
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TONIGHT THE MOON WILL APPEAR IN
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THE SKY ABOUT 14% LARGER THAN
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NORMAL.
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EVEN THOUGH THAT IS A LITTLE
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CHANGE IN SIZE THAT ADDS TO THE
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BRIGHTER MOON, AND THAT YOU WILL
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NOTICE.
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NOW THE REASON THIS HAPPENS IS
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THAT THE MOON IS ELIP AT
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THISCAL.
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SO WHAT IS THE BLUE MOON?
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THE BLUESMETHE BLUE MOON IS A CR
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TRIVIAL THING.
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AND WE HAVE A SUPER BLUE BLOOD
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MOON.
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>> THAT MEANS A TOTAL LUNAR
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ECLIPSE THAT PEOPLE ON THE
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WESTERN PART OF THE COUNTRY CAN
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VIEW TOMORROW MORNING.
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I KNOW A LOT OF PEOPLE ACROSS
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THE COUNTRY WERE ABLE TO SEE THE
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TOTAL ECLIPSE IN THIS PAST
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AUGUST THAT WENT ACROSS THE
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CENTRAL PART OF THE UNITED
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STATES.
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NOAA, I THINK YOU BROUGHT SOME
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PROPS FOR US.
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>> Noah: I DID.
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>> Katrina: WITH THESE PROPS I
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HOPE YOU CAN EXPLAIN WHAT ARE
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THE SIMILARITIES BETWEEN THE
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SOLAR ECLIPSE AND THE LUNAR
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ECLIPSE AND HOW WE EXPERIENCE
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THOSE EVENTS.
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>> Noah: ABSOLUTELY.
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FOR THOSE WHO WERE ABLE TO
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EXPERIENCE THE SOLAR ECLIPSE,
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LET'S RECAP WHAT HAPPENED THERE.
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IN THE EVENT ON THE 21ST, WE
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HAVE THE SUN BEING BLOCKED BY
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THE MOON--I'M SORRY, THE SUN'S
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LIGHT BEING BLOCKED BY THE MOON
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FROM HITTING THE EARTH SURFACE.
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THE MOON PASSES DIRECTLY BETWEEN
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THE EARTH AND THE SUN, AND THAT
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SHADOW WAS CAST ON THE EARTH.
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FOR OF YOU IN THE PATH OF
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TOTALITY, AND IN AREAS THAT HAD
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A SIGNIFICANT AMOUNT OF ECLIPSE
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YOU MIGHT HAVE NOTICED THAT THE
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TEMPERATURES DROPPED WHERE I WAS
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IN OREGON WE HAD A 12-DEGREE
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FAHRENHEIT TEMPERATURE DROP.
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THAT'S QUITE NUMBER.
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WE'LL TALK ABOUT WHAT IS
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HAPPENING WITH THE MOON.
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TOMORROW MORNING IT'S A LITTLE
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BIT OF THE OPPOSITE.
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THE SUN STAYS PUT, AND THE EARTH
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WILL PASS BETWEEN THE EARTH AND
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THE SUN.
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AS MICHELLE MICHELLE WAS TALKI,
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TTHE MO MOON WILL TURN THAT
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BEAUTIFUL RED COLOR.
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THE MOON SURFACE WILL COOLDOWN.
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THE ENTIRE SURFACE OF THE MOON
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WILL COOLDOWN.
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THAT'S IMPORTANT FOR SCIENCE
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REASONS, AND ONE MAJOR REASON IS
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THAT IT WILL TURN DOWN IN
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ADDITION TO TURNING THAT
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BEAUTIFUL RED COLOR.
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WHAT WE WILL SEE TOMORROW
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MORNING IS SIMILAR TO WHAT WE
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SAW ON THE 21ST OF AUGUST LAST
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YEAR.
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OF COURSE, THE ROLES ARE
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REVERSED, AND YOU DON'T HAVE TO
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BE IN A SPECIAL SPOT TO SEE IT.
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YOU'LL BE ABLE TO SEE THE
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ECLIPSE HAPPEN.
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>> THIS IS REALLY NOT TO SCALE.
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YOU COULD FIT A MILLION EARTHS
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IN THE SUN.
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>> OKAY.
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SO IT'S SUCH A SHARED CULTURAL
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EXPERIENCE FOR EVERYONE SINCE
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THE DAWN OF HUMANITY TO LOOK AT
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ECLIPSES AND THE MOON AND
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ANYTHING IN THE NIGHTTIME SKY.
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I HAVE A QUESTION FOR OUR
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VIEWERRERS.
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I'M CURIOUS TO KNOW WHAT ARE
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YOUR STORIES.
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WHAT ARE SOME OF YOUR MOST
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MEMORABLE EXPERIENCES LOOKING
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UP.
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WE'RE CURIOUS TO HEAR ABOUT WHAT
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YOUR EXPERIENCES ARE, AND I
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THINK IT COULD BE REALLY FUN FOR
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ALL OF YOU WATCHING TO GET TO
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KNOW EACH OTHER IN THE COMMENTS
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BY SHARING YOUR FAVORITE SKY
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WATCHING MEMORIES.
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IF YOU'RE JOINING US, WE'RE LIVE
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IN GREEN BELT, MARYLAND.
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I'M KATRINA JACKSON.
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I'M JOINED BY DOCTORS MICHELLE
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AND NOAA, AND WE'RE TALKING
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ABOUT TOMORROW'S SUPER BLUE
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BLOOD MOON.
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WE'RE GOING TO ANSWER QUESTIONS
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IN A LITTLE BIT.
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YOU CAN LEAVE THEM IN THE
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COMMENTS ON FACEBOOK OR TWITTER.
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WE'LL BE GOING THROUGH THE
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COMMENTS AFTERWARDS AND
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ANSWERING SOME OF YOUR QUESTIONS
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THERE, SO KEEP THEM COMING.
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IN THE MEANTIME, I HAD A
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QUESTION FOR YOU, MICHELLE.
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I KNOW NASA WILL BE CELEBRATING
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ITS 60TH ANNIVERSARY.
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NEXT YEAR WILL BE THE
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50TH ANNIVERSARY OF APOLLO 11
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WHEN ASTRONAUTSES WALKED ON THE
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MOON.
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WHAT IS LEFT TO LEARN AND
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EXPLORE ON THE MOON, AND WHAT DO
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YOU HOPE TO SEE IN THE COMING
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DECADES.
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>> YOU WOULD THINK THAT AFTER
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ALL THIS TIME STUDYING THE MOON
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WE WOULD UNDERSTAND IT ENTIRELY,
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BUT THAT IS FAR FROM THE TRUTH.
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TALKING ABOUT THE ANNIVERSARY.
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AS WE GO INTO THIS WONDERFUL
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CELESTIAL EVENT, IT'S THE
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60TH ANNIVERSARY OF THE VERY
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FIRST SPACECRAFT EXPLORED.
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IT'S BEEN 60 YEARS SINCE THE
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UNITED STATES LAUNCHED IT'S
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FIRST SATELLITE.
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AND THE APOLLO ASTRONAUTS WERE
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UP ON THE MOON.
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AMAZINGLY THOSE ASTRONAUTS
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BROUGHT BACK MOON ROCKS AND THEY
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TURNED OUT TO BE DIFFERENT THAN
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WHAT WE EXPECTED.
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00:08:37.500 --> 00:08:39.402
WE'RE STILL OBSERVING THE MOON.
261
00:08:39.402 --> 00:08:49.412
WE HAVE THE LRO, LUNAR RECOULD
262
00:08:49.412 --> 00:08:52.915
RECOGNIZANCE ORBITAL.
263
00:08:52.915 --> 00:08:54.250
WHEN WE EXAMINE THOSE MOON ROCKS
264
00:08:54.250 --> 00:08:55.501
THEY SEEM TO BE REMNANTS OF
265
00:08:55.501 --> 00:08:56.402
A VIOLENT EVENT.
266
00:08:56.402 --> 00:08:58.638
WE BELIEVE THAT THE MOON WAS
267
00:08:58.638 --> 00:09:00.540
FORMED WHEN TWO PLANETS
268
00:09:00.540 --> 00:09:01.274
COLLIDED, THE EARTH BEFORE WE
269
00:09:01.274 --> 00:09:04.277
KNOW IT AS IT IS, AND ANOTHER
270
00:09:04.277 --> 00:09:05.611
PLANET COLLIDED TOGETHER, AND
271
00:09:05.611 --> 00:09:07.547
THE DEBRIS FLEW OFF AND BECAME
272
00:09:07.547 --> 00:09:08.314
THE MOON.
273
00:09:08.314 --> 00:09:11.851
THAT COALESCED INTO A SPHERICAL
274
00:09:11.851 --> 00:09:12.818
OBJECT, IT WAS ENOUGH THAT THE
275
00:09:12.818 --> 00:09:15.021
GRAVITY COULD BRING IT TOGETHER.
276
00:09:15.021 --> 00:09:16.439
THEN OVER BILLIONS OF YEARS
277
00:09:16.439 --> 00:09:18.174
THERE WERE MORE IMPACTS THAT
278
00:09:18.174 --> 00:09:20.142
SHAPED THE SURFACE OF THE MOON.
279
00:09:20.142 --> 00:09:26.315
UNLIKE THE OFFICER, THE OFFICE-E
280
00:09:26.315 --> 00:09:28.584
EARTH HAS AN ATMOSPHERE, BUT THE
281
00:09:28.584 --> 00:09:30.386
MOON'S SURFACE SHOWS US WHAT
282
00:09:30.386 --> 00:09:32.521
HAPPENED OVER THE LAST 4 BILLION
283
00:09:32.521 --> 00:09:33.089
YEARS.
284
00:09:33.089 --> 00:09:37.093
IN STUDYING THE MOON AND THOSE
285
00:09:37.093 --> 00:09:38.894
MOON ROCKS AND UNDERSTANDING
286
00:09:38.894 --> 00:09:44.834
THAT T THE SOLAR SYSTEM WAS A
287
00:09:44.834 --> 00:09:45.635
VIOLENT PLACE.
288
00:09:45.635 --> 00:09:47.637
WE NOW THINK THERE IS EVIDENCE
289
00:09:47.637 --> 00:09:50.539
THAT THAT HAPPENED MANY TIMES.
290
00:09:50.539 --> 00:09:51.607
THERE WERE PLANETS THAT COLLIDED
291
00:09:51.607 --> 00:09:53.509
WITH EACH OTHER AND POSSIBLY
292
00:09:53.509 --> 00:09:55.511
THROWN OUT OF THE SOLAR SYSTEM.
293
00:09:55.511 --> 00:09:56.946
AND THE SOLAR SYSTEM WE KNOW
294
00:09:56.946 --> 00:09:59.649
TODAY IS A REMNANT FROM THAT.
295
00:09:59.649 --> 00:10:01.684
THINK ABOUT THE PROFOUND THING
296
00:10:01.684 --> 00:10:04.253
THAT WE LEARNED FROM THAT ONE
297
00:10:04.253 --> 00:10:05.821
TRIP WHERE THEY TOOK THAT
298
00:10:05.821 --> 00:10:06.389
SAMPLE.
299
00:10:06.389 --> 00:10:07.623
NOW THEY'RE THINKING OF NEW WAYS
300
00:10:07.623 --> 00:10:08.858
TO GO BACK TO THE MOON.
301
00:10:08.858 --> 00:10:10.493
THERE IS A LOT MORE TO DISCOVER
302
00:10:10.493 --> 00:10:11.127
UP THERE.
303
00:10:11.127 --> 00:10:12.395
WE'RE FAR FROM KNOWING WHAT
304
00:10:12.395 --> 00:10:16.766
THERE IS TO KNOW ABOUT THE MOON.
305
00:10:16.766 --> 00:10:21.103
>> SO WE'VE BEEN WITH THE MOON
306
00:10:21.103 --> 00:10:24.740
FOR A WHILE WITH THE LUNAR
307
00:10:24.740 --> 00:10:32.048
RECOGNIZANCE OR BITTER.
308
00:10:32.048 --> 00:10:34.116
>> ONE OF THE WONDERFUL LEGACIES
309
00:10:34.116 --> 00:10:36.185
ABOUT HAVING A SPACECRAFT AT THE
310
00:10:36.185 --> 00:10:38.354
MOON OVER THE YEARS WITH LRO,
311
00:10:38.354 --> 00:10:40.323
WE'VE BEEN ABLE TO REWRITE OUR
312
00:10:40.323 --> 00:10:42.224
UNDERSTANDING OF THE MOON GOING
313
00:10:42.224 --> 00:10:46.996
FROM THE MOON WHERE WE HAD THE
314
00:10:46.996 --> 00:10:48.964
SAMPLES, AND NOW THIS DATA SET
315
00:10:48.964 --> 00:10:52.001
THAT ALLOWS US TO TAKE AN ENTIRE
316
00:10:52.001 --> 00:10:53.035
TOUR OF THE MOON.
317
00:10:53.035 --> 00:10:54.503
THIS IS A TEASER OF WHAT WE
318
00:10:54.503 --> 00:10:57.239
HAVE, AND WE HAVE A GLIMPSE OF
319
00:10:57.239 --> 00:10:59.975
ONE OF THE BIGGEST CRATERS OF
320
00:10:59.975 --> 00:11:00.643
THE MOON.
321
00:11:00.643 --> 00:11:03.145
IT'S A VERY DEEP IMPACT CRATER,
322
00:11:03.145 --> 00:11:06.115
ONE OF THE YOUNGEST AND
323
00:11:06.115 --> 00:11:06.882
3.8 BILLION YEARS OLD.
324
00:11:06.882 --> 00:11:08.551
WHEN WE TALK ABOUT SOMETHING
325
00:11:08.551 --> 00:11:11.787
BEING YOUNG, 3.8 BILLION YEARS
326
00:11:11.787 --> 00:11:14.223
PUTS IT AT THAT YOUNGER AGE.
327
00:11:14.223 --> 00:11:17.193
THIS IS THE GRAVITY DATA THAT
328
00:11:17.193 --> 00:11:19.528
LET'S US PROBE THE INTERIOR OF
329
00:11:19.528 --> 00:11:20.996
THE CRUST OF THE MOON IN UNIQUE
330
00:11:20.996 --> 00:11:21.430
WAYS.
331
00:11:21.430 --> 00:11:23.332
WE LOOK AT THE SOUTH POLE.
332
00:11:23.332 --> 00:11:25.134
THE POLES ARE UNIQUE
333
00:11:25.134 --> 00:11:25.818
ENVIRONMENTS
334
00:11:25.818 --> 00:11:27.453
WE KNOW THEY'RE VERY COLD.
335
00:11:27.453 --> 00:11:29.488
WE KNOW SOME OF THE COLDEST
336
00:11:29.488 --> 00:11:30.322
TEMPERATURES ARE FOUND IN AREAS
337
00:11:30.322 --> 00:11:34.360
OF THE SOUTH AND NORTH POLE THAT
338
00:11:34.360 --> 00:11:35.878
SEES NO DIRECT SUNLIGHT.
339
00:11:35.878 --> 00:11:39.081
THEY GET NO DIRECT SUNLIGHT, AND
340
00:11:39.081 --> 00:11:43.586
IF WE PAUSE HERE WE GET A
341
00:11:43.586 --> 00:11:47.823
GLIMPSE OF THE CRATER AND WE USE
342
00:11:47.823 --> 00:11:50.342
LOLA TO PROBE THE INTERIOR OF
343
00:11:50.342 --> 00:11:51.577
THAT CRATER AND PEER INTO
344
00:11:51.577 --> 00:11:52.211
DARKNESS.
345
00:11:52.211 --> 00:11:53.546
LET'S MOVE ON THE TOUR.
346
00:11:53.546 --> 00:11:55.147
WE GET TO VISIT SOME OF THE
347
00:11:55.147 --> 00:11:56.682
PLACES WE HOPE TO EXPLORE WITH
348
00:11:56.682 --> 00:11:58.818
THE LRO.
349
00:11:58.818 --> 00:12:00.052
WE'LL ZOOM OUT TO THE LARGEST
350
00:12:00.052 --> 00:12:02.705
IMPACT CRATER, THE SOUTH POLE
351
00:12:02.705 --> 00:12:03.105
BASIN.
352
00:12:03.105 --> 00:12:04.673
IF WE STOP HERE FOR A MOMENT,
353
00:12:04.673 --> 00:12:10.579
YOU CAN SEE THIS IS A
354
00:12:10.579 --> 00:12:11.280
TOPOGRAPHIC MAP.
355
00:12:11.280 --> 00:12:14.984
THIS IS THE SPA BASIN, THE
356
00:12:14.984 --> 00:12:16.919
LARGEST IMPACT CRATER, AND WE
357
00:12:16.919 --> 00:12:18.554
PRESUME IT TO BE THE OLDEST.
358
00:12:18.554 --> 00:12:22.158
WE DON'T KNOW HOW OLD IT IS.
359
00:12:22.158 --> 00:12:24.627
AS A GEOLOGIST WE LIKE TO KNOW
360
00:12:24.627 --> 00:12:26.829
THE AGE OF THINGS, AND TO
361
00:12:26.829 --> 00:12:28.664
UNDERSTAND THE AGE OF THIS IS A
362
00:12:28.664 --> 00:12:29.432
HIGH PRIORITY FOR US.
363
00:12:29.432 --> 00:12:31.434
THE LRO WILL HELP US TO KNOW
364
00:12:31.434 --> 00:12:33.619
WHERE WE NEED TO SAMPLE THAT
365
00:12:33.619 --> 00:12:34.253
MATERIAL.
366
00:12:34.253 --> 00:12:36.756
TO EXPLORE UNSEEN PLACES WE GET
367
00:12:36.756 --> 00:12:37.990
TO VISIT PLACES WE'VE SEEN FROM
368
00:12:37.990 --> 00:12:38.824
THE EARTH.
369
00:12:38.824 --> 00:12:41.060
ONE OF MY FAVORITE NEAR-SIDE
370
00:12:41.060 --> 00:12:44.630
CRATERS IS TYKO, A PROMINENT
371
00:12:44.630 --> 00:12:47.833
CRATER ON THE SOUTH NEAR SIDE OF
372
00:12:47.833 --> 00:12:48.601
THE LUNAR SURFACE.
373
00:12:48.601 --> 00:12:50.669
WE'LL SEE IT BRILLIANTLY LIT UP
374
00:12:50.669 --> 00:12:53.606
DURING THE FULL MOON TONIGHT AND
375
00:12:53.606 --> 00:12:55.090
TOMORROW MORNING.
376
00:12:55.090 --> 00:12:57.460
THIS RISES 2.5 KILOMETERS OFF
377
00:12:57.460 --> 00:12:58.727
THE FLOOR OF THE CRATER.
378
00:12:58.727 --> 00:13:01.363
THERE ARE BOULDERS THE SIZE OF
379
00:13:01.363 --> 00:13:03.299
BASEBALL STADIUMS.
380
00:13:03.299 --> 00:13:05.000
THAT CRATER 1,100,000,000 YEARS
381
00:13:05.000 --> 00:13:07.069
OLD, VERY YOUNG FOR THE LUNAR
382
00:13:07.069 --> 00:13:07.636
SURFACE.
383
00:13:07.636 --> 00:13:09.472
GIVEN ALL OF THESE PIECES OF
384
00:13:09.472 --> 00:13:10.539
INFORMATION TOGETHER WE'RE
385
00:13:10.539 --> 00:13:13.976
GETTING A MORE COMPLETE HIGH
386
00:13:13.976 --> 00:13:16.495
RESOLUTION, HIGH DEFINITION
387
00:13:16.495 --> 00:13:18.531
LUNAR SURFACE AND IT'S
388
00:13:18.531 --> 00:13:19.331
ENVIRONMENT.
389
00:13:19.331 --> 00:13:21.200
WE GET TO LOOK AT PLACES WE HAVE
390
00:13:21.200 --> 00:13:25.504
BEEN OR PRAISES WE W PLACES WE
391
00:13:25.504 --> 00:13:26.372
WANT TO GO.
392
00:13:26.372 --> 00:13:29.008
WE GET TO SEE SURFACE CHANGES.
393
00:13:29.008 --> 00:13:30.776
NEW IMPACT CRATERS FORMING AS WE
394
00:13:30.776 --> 00:13:36.265
SPEAK ON THE LUNAR SURFACE.
395
00:13:36.265 --> 00:13:38.901
IT CAUSES LANDSCAPE SUCH AS
396
00:13:38.901 --> 00:13:39.535
THIS.
397
00:13:39.535 --> 00:13:41.804
EVERY OBJECT HAS IMPACT CRATERS
398
00:13:41.804 --> 00:13:42.738
ON IT.
399
00:13:42.738 --> 00:13:45.207
AND IT ALLOWS US TO UNDERSTAND
400
00:13:45.207 --> 00:13:46.809
HOW THE CRATER PROCESS CHANGES
401
00:13:46.809 --> 00:13:52.081
AND MODIFIES PLANETARY SURFACES.
402
00:13:52.081 --> 00:13:54.783
AFTER EIGHT YEARS IT PROVIDES
403
00:13:54.783 --> 00:13:56.986
THE ROAD MAP TO UNDERSTAND AND
404
00:13:56.986 --> 00:13:57.887
UNRAVEL THOSE WONDERFUL
405
00:13:57.887 --> 00:13:59.255
MYSTERIES OF NOT JUST THE MOON,
406
00:13:59.255 --> 00:14:00.990
BUT ALSO BY ASSOCIATION OF THE
407
00:14:00.990 --> 00:14:03.559
EARTH, AND THE REST OF THE SOLAR
408
00:14:03.559 --> 00:14:04.293
SYSTEM.
409
00:14:04.293 --> 00:14:05.127
>> A LOT OF GREAT SCIENCE GOING
410
00:14:05.127 --> 00:14:14.770
ON WITH TH THE ORBITER.
411
00:14:14.770 --> 00:14:17.172
WHAT HAPPENS TO THE SPACECRAFT
412
00:14:17.172 --> 00:14:18.440
OVER TIME.
413
00:14:18.440 --> 00:14:21.410
>> THIS USES A SOLAR PANEL THAT
414
00:14:21.410 --> 00:14:22.745
RECHARGES THE BATTERY.
415
00:14:22.745 --> 00:14:26.048
IN THE NIGHT CYCLE THE BATTERIES
416
00:14:26.048 --> 00:14:26.782
DRAIN.
417
00:14:26.782 --> 00:14:28.450
THEY'RE NOW PREPARING THE
418
00:14:28.450 --> 00:14:29.818
SPACECRAFT TO GO INTO THIS
419
00:14:29.818 --> 00:14:30.419
ECLIPSE.
420
00:14:30.419 --> 00:14:32.488
BUS WE ORBIT THE MOON, THE
421
00:14:32.488 --> 00:14:34.690
ECLIPSE WE'LL BE IN DARKNESS FOR
422
00:14:34.690 --> 00:14:36.692
AN EXTENDED PERIOD OF TIME.
423
00:14:36.692 --> 00:14:39.511
WE'LL TURN OFF ALL THE
424
00:14:39.511 --> 00:14:41.780
INSTRUMENTS ON THE SPACECRAFT,
425
00:14:41.780 --> 00:14:43.883
AND AS IT GOES INTO THE EARTH'S
426
00:14:43.883 --> 00:14:48.037
SHADOW IT, TOO, WILL COOL DOWN.
427
00:14:48.037 --> 00:14:50.272
THAT'S SOMETHING WE WANT TO
428
00:14:50.272 --> 00:14:52.508
MINIMIZE, SO WE PRE-HEAT THE
429
00:14:52.508 --> 00:14:53.075
SPACECRAFT.
430
00:14:53.075 --> 00:14:54.944
AND BY TURNING OFF THE
431
00:14:54.944 --> 00:14:56.912
INSTRUMENTS IT ALLOWS US TO GO
432
00:14:56.912 --> 00:14:58.547
THROUGH THE ECLIPSE, AND ONCE
433
00:14:58.547 --> 00:15:00.950
IT'S OVER WE'LL TURN THE
434
00:15:00.950 --> 00:15:04.086
INSTRUMENTS BACK ON, REBOOT THE
435
00:15:04.086 --> 00:15:04.753
SPACECRAFT AND GET BACK TO
436
00:15:04.753 --> 00:15:23.739
NORMAL OPERATIONS.
437
00:15:23.739 --> 00:15:26.075
WE'LL KEEP THE SPACECRAFT IN
438
00:15:26.075 --> 00:15:26.542
TIP-TOP SHAPE.
439
00:15:26.542 --> 00:15:28.210
>> WILL ANYONE BE DOING ANY
440
00:15:28.210 --> 00:15:29.912
STUDIES DURING THE ECLIPSE OF
441
00:15:29.912 --> 00:15:30.746
THE MOON?
442
00:15:30.746 --> 00:15:32.081
>> NORMALLY WE HAVE THE SEVEN
443
00:15:32.081 --> 00:15:33.649
INSTRUMENTS AND THEY'RE NORMALLY
444
00:15:33.649 --> 00:15:34.817
OPERATING ALMOST ALL OF THE
445
00:15:34.817 --> 00:15:35.117
TIME.
446
00:15:35.117 --> 00:15:37.186
DURING THE ECLIPSE WE TURN
447
00:15:37.186 --> 00:15:38.053
EVERYTHING OFF.
448
00:15:38.053 --> 00:15:39.622
BUT THE SCIENTISTS WANT MORE
449
00:15:39.622 --> 00:15:41.624
SCIENCE AND MORE MEASUREMENTS OF
450
00:15:41.624 --> 00:15:44.059
THE MOON, WE HAVE TWO TEAM
451
00:15:44.059 --> 00:15:45.561
MEMBERS WHO WILL BE OBSERVING
452
00:15:45.561 --> 00:15:47.396
THE MOON DURING THE ECLIPSE
453
00:15:47.396 --> 00:15:50.132
GOING FROM PRE-ECLIPSE WITH THE
454
00:15:50.132 --> 00:15:55.170
DIRECT SUNLIGHT WHAT THEY'LL BE
455
00:15:55.170 --> 00:15:57.740
DOING IS MEASURING THE SURFACE
456
00:15:57.740 --> 00:15:59.908
SUBPOENAS GOING FROM THE OVEN OF
457
00:15:59.908 --> 00:16:01.744
DIRECT SUNLIGHT TO THE DEEP
458
00:16:01.744 --> 00:16:04.179
FREEZE OF BEING IN THE EARTH'S
459
00:16:04.179 --> 00:16:04.980
SHADOW.
460
00:16:04.980 --> 00:16:07.316
HOW THE SURFACE COOLS CAN TELL
461
00:16:07.316 --> 00:16:08.283
US SOMETHING ABOUT THE
462
00:16:08.283 --> 00:16:10.886
PROPERTIES OF THE SURFACE, HOW
463
00:16:10.886 --> 00:16:12.187
COURSE GRAIN, HOW BIG OR SMALL
464
00:16:12.187 --> 00:16:13.789
THE PARTICLES ARE THAT ARE AT
465
00:16:13.789 --> 00:16:21.397
ITS SURFACE.
466
00:16:21.397 --> 00:16:23.799
WE CAN COMBINE THE ECLIPSE
467
00:16:23.799 --> 00:16:25.501
OBSERVATIONS WITH THE NORMAL DAY
468
00:16:25.501 --> 00:16:27.436
NIGHT OBSERVATIONS THAT
469
00:16:27.436 --> 00:16:30.072
INSTRUMENTS MAKE AND COME UP
470
00:16:30.072 --> 00:16:32.408
WITH A ROBUST SURFACE.
471
00:16:32.408 --> 00:16:35.711
WHEN ASTRONAUTS EXPLORED THE
472
00:16:35.711 --> 00:16:38.414
MOON, AND WHEN WE GO BACK WITH
473
00:16:38.414 --> 00:16:42.718
ASTRONAUTS AND ROBOTIC
474
00:16:42.718 --> 00:16:46.488
SPACECRAFT IT'S THAT REGULA THAT
475
00:16:46.488 --> 00:16:48.390
GIVES US KEEN INSIGHT INTO THE
476
00:16:48.390 --> 00:16:48.957
MOON.
477
00:16:48.957 --> 00:16:56.198
AND WE HAVE SEEN THAT FROM THE
478
00:16:56.198 --> 00:16:59.234
PRE-APOLLO ERA.
479
00:16:59.234 --> 00:17:00.502
>> Michelle: WE DIDN'T KNOW HOW
480
00:17:00.502 --> 00:17:01.503
LONGER LARGE THIS WOULD BE.
481
00:17:01.503 --> 00:17:03.939
MANY THOUGHT THEY WOULD STEP OFF
482
00:17:03.939 --> 00:17:05.874
AND SINK A COUPLE OF METERS.
483
00:17:05.874 --> 00:17:07.009
BUT IT'S MEASURES LIKE THIS TO
484
00:17:07.009 --> 00:17:10.345
LOOK AT HOW THE SOIL HEATS UP
485
00:17:10.345 --> 00:17:11.980
AND COOLS DOWN AND SHOWS HOW
486
00:17:11.980 --> 00:17:14.416
DEEP IT IS, AND TURNS OUT IT WAS
487
00:17:14.416 --> 00:17:18.287
A SAFE PLACE TO LAND AFTER ALL.
488
00:17:18.287 --> 00:17:19.555
>> Noah: AFTER 50 YEARS OF
489
00:17:19.555 --> 00:17:20.656
LOOKING AT THE MOON WE'RE MAKING
490
00:17:20.656 --> 00:17:23.125
THE SAME TYPE OF MEASURES, AND
491
00:17:23.125 --> 00:17:25.294
YOU KNOW, REALLY MAKING SOME
492
00:17:25.294 --> 00:17:26.962
FUNDAMENTAL MEASUREMENTS THAT
493
00:17:26.962 --> 00:17:29.465
ENABLE THE UNDERSTANDING OF HOW
494
00:17:29.465 --> 00:17:30.766
THE MOON OPERATES AND THEN WE
495
00:17:30.766 --> 00:17:32.835
APPLY THAT TO EVERY OTHER BODY
496
00:17:32.835 --> 00:17:34.770
IN THE SOLAR SYSTEM, WHETHER
497
00:17:34.770 --> 00:17:38.807
IT'S MERCURY, PLUTO AND THAT ALL
498
00:17:38.807 --> 00:17:40.776
HINGES ON OUR OBSERVATIONS THE
499
00:17:40.776 --> 00:17:42.177
LUNAR SURFACE.
500
00:17:42.177 --> 00:17:43.445
>> Katrina: SO MANY GREAT THINGS
501
00:17:43.445 --> 00:17:44.446
THAT YOU CAN LEARN FROM THE
502
00:17:44.446 --> 00:17:45.013
MOON.
503
00:17:45.013 --> 00:17:49.852
WE'RE LIVE AT GODDARD SPACE
504
00:17:49.852 --> 00:17:53.555
FLIGHT CENTER.
505
00:17:53.555 --> 00:17:55.491
WE'RE TALKING ABOUT TOMORROW'S
506
00:17:55.491 --> 00:17:56.692
SUPER BLUE BLOOD MOON.
507
00:17:56.692 --> 00:17:58.560
KEEP SENDING IN YOUR QUESTIONS
508
00:17:58.560 --> 00:18:02.164
ON FACEBOOK OR TWITTER AND KEEP
509
00:18:02.164 --> 00:18:06.802
TALKING ABOUT YOUR FAVORITE
510
00:18:06.802 --> 00:18:07.703
SKY-WATCHING MEMORIES.
511
00:18:07.703 --> 00:18:10.272
SO LET'S ANSWER A FEW OF THESE
512
00:18:10.272 --> 00:18:11.106
QUESTIONS NOW.
513
00:18:11.106 --> 00:18:15.177
LET'S SEE HERE, SO JOHN ON
514
00:18:15.177 --> 00:18:18.914
FACEBOOK WANTS TO KNOW ARE THEY
515
00:18:18.914 --> 00:18:20.549
GOING TO CAPTURE IMAGES OF THE
516
00:18:20.549 --> 00:18:23.652
EARTH DURING THE LUNAR ECLIPSE?
517
00:18:23.652 --> 00:18:25.120
>> Noah: THAT'S A GOOD QUESTION,
518
00:18:25.120 --> 00:18:25.754
JOHN.
519
00:18:25.754 --> 00:18:27.790
DURING THIS ECLIPSE WE WILL NOT
520
00:18:27.790 --> 00:18:29.558
BE TAKING ANY IMAGES.
521
00:18:29.558 --> 00:18:33.228
WE'LL SHUT DOWN ALL OF THE
522
00:18:33.228 --> 00:18:34.963
EQUIPMENT DURING THE ECLIPSE.
523
00:18:34.963 --> 00:18:36.965
THE LRO DOES TAKE PICTURES
524
00:18:36.965 --> 00:18:38.400
DURING THE SOLAR ECLIPSE.
525
00:18:38.400 --> 00:18:40.936
WE TOOK A PICTURE OF THE SHADOW
526
00:18:40.936 --> 00:18:42.604
OF THE MOON PASSING ACROSS THE
527
00:18:42.604 --> 00:18:44.606
FACE OF THE EARTH, AND WE DO
528
00:18:44.606 --> 00:18:45.774
TAKE REGULAR PICTURES OF THE
529
00:18:45.774 --> 00:18:47.843
EARTH WITH OUR CAMERA AT EVERY
530
00:18:47.843 --> 00:18:48.644
NEW MOON.
531
00:18:48.644 --> 00:18:50.379
SO WHEN WE HAVE A NEW MOON, IT
532
00:18:50.379 --> 00:18:52.414
MEANS THAT WE DON'T SEE THE MOON
533
00:18:52.414 --> 00:18:57.586
IN THE NIGHT OR DATE TIME SKY.
534
00:18:57.586 --> 00:19:00.055
IF YOU EXPLORE THE WEBSITE AND
535
00:19:00.055 --> 00:19:05.160
YOU CAN GET TO THAT BY GOING
536
00:19:05.160 --> 00:19:12.901
LUNAR.GSC.NASA.GOV .
537
00:19:12.901 --> 00:19:14.536
I WAS IN OREGON DURING THE
538
00:19:14.536 --> 00:19:17.005
ECLIPSE, AND YOU CAN SEE JUST A
539
00:19:17.005 --> 00:19:19.074
FEW PIXELS OF THE CASCADES OUT
540
00:19:19.074 --> 00:19:19.508
WEST THERE.
541
00:19:19.508 --> 00:19:22.311
SO YOU COULD SEE EARTH GEOLOGY
542
00:19:22.311 --> 00:19:23.745
IN THIS PICTURE TAKEN FROM THE
543
00:19:23.745 --> 00:19:24.246
MOON.
544
00:19:24.246 --> 00:19:25.781
AND IN ADDITION TO SEEING THE
545
00:19:25.781 --> 00:19:27.616
SHADOW OF THE MOON, IT LOOKS
546
00:19:27.616 --> 00:19:29.151
PRETTY COOL.
547
00:19:29.151 --> 00:19:31.153
>> I'LL DIRECT THIS QUESTION TO
548
00:19:31.153 --> 00:19:31.753
MICHELLE.
549
00:19:31.753 --> 00:19:36.792
FRANK ON TWITTER WANTS TO KNOW
550
00:19:36.792 --> 00:19:38.827
AREN'T SUPER MOONS JUST HYPE?
551
00:19:38.827 --> 00:19:39.828
>> Michelle: WHEN I WAS A KID I
552
00:19:39.828 --> 00:19:42.331
HAD NEVER HEARD OF SUPER MOONS.
553
00:19:42.331 --> 00:19:45.300
THIS HAS JUST COME INTO THE
554
00:19:45.300 --> 00:19:47.736
PUBLIC CONSCIENCE RECENTLY.
555
00:19:47.736 --> 00:19:49.605
SUPER MOONS HAVE BEEN HAPPENING
556
00:19:49.605 --> 00:19:53.642
EVER SINCE THERE HAS BEEN A
557
00:19:53.642 --> 00:19:55.143
MOON.
558
00:19:55.143 --> 00:19:59.081
AND WHEN A FULL MOON HAPPENS,
559
00:19:59.081 --> 00:20:04.052
THAT'S WHAT WE CALL A SUPER
560
00:20:04.052 --> 00:20:09.658
MOON.
561
00:20:09.658 --> 00:20:11.560
THE TIDES ARE SLIGHTLY HIGHER
562
00:20:11.560 --> 00:20:13.896
DURING THE SUPER MOON, BUT NOT
563
00:20:13.896 --> 00:20:14.796
VERY MUCH.
564
00:20:14.796 --> 00:20:16.565
IT'S A MILD EFFECT.
565
00:20:16.565 --> 00:20:18.767
IT SURPRISES ME THAT PEOPLE HAVE
566
00:20:18.767 --> 00:20:20.002
BECOME INTERESTED IN THIS, BUT
567
00:20:20.002 --> 00:20:21.870
IT'S AN OPPORTUNITY TO TEACH
568
00:20:21.870 --> 00:20:23.005
ABOUT THE MOON.
569
00:20:23.005 --> 00:20:26.575
IT'S GOING TO BE BRIGHTER AND
570
00:20:26.575 --> 00:20:28.210
LOOK AT IT TONIGHT.
571
00:20:28.210 --> 00:20:32.381
LOOK AT THE DIFFERENT CYCLES AND
572
00:20:32.381 --> 00:20:33.382
DIFFERENT SHAPES OF THE MONTH,
573
00:20:33.382 --> 00:20:34.917
AND IT GETS A LITTLE BIT LARGER
574
00:20:34.917 --> 00:20:36.351
AND SMALLER AND JUST THE
575
00:20:36.351 --> 00:20:38.687
AWARENESS OF THAT, I'LL TAKE IT.
576
00:20:38.687 --> 00:20:40.656
THERE IS NOTHING ALL THAT
577
00:20:40.656 --> 00:20:41.823
SIGNIFICANT ABOUT THE SUPER
578
00:20:41.823 --> 00:20:42.457
MOON.
579
00:20:42.457 --> 00:20:43.859
THERE IS A CHANCE TO GO OUT AND
580
00:20:43.859 --> 00:20:45.827
REALIZE THERE IS SOMETHING
581
00:20:45.827 --> 00:20:46.461
DIFFERENT TONIGHT.
582
00:20:46.461 --> 00:20:47.696
>> Katrina: I THINK WE HAVE TIME
583
00:20:47.696 --> 00:20:49.765
FOR A COUPLE MORE QUESTIONS.
584
00:20:49.765 --> 00:20:51.199
NOAA, JEFFREY WANTS TO KNOW HOW
585
00:20:51.199 --> 00:20:52.768
MUCH DOES THE TEMPERATURE DROP
586
00:20:52.768 --> 00:20:54.603
ON THE MOON DURING THE ECLIPSE?
587
00:20:54.603 --> 00:20:55.704
>> Noah: THAT'S A VERY GOOD
588
00:20:55.704 --> 00:20:56.738
QUESTION, JEFFREY.
589
00:20:56.738 --> 00:20:59.408
WE KNOW WHAT THE TEMPERATURE
590
00:20:59.408 --> 00:21:01.643
DROPS THAT ARE NORMAL OVER THE
591
00:21:01.643 --> 00:21:03.045
DAY-NIGHT CYCLE.
592
00:21:03.045 --> 00:21:05.013
NOW THE MOON IS ESSENTIALLY
593
00:21:05.013 --> 00:21:06.915
GOING INSTANTANEOUSLY OVER THE
594
00:21:06.915 --> 00:21:10.953
PAN OF A HALF HOUR, INTO THIS
595
00:21:10.953 --> 00:21:12.254
VERY COLD SURFACE.
596
00:21:12.254 --> 00:21:12.988
IT'S COOLING DOWN.
597
00:21:12.988 --> 00:21:16.525
ON THE ORDER OF 100 DEGREES
598
00:21:16.525 --> 00:21:17.626
FAHRENHEIT DURING THE ECLIPSE.
599
00:21:17.626 --> 00:21:19.027
THAT'S DURING A QUICK PERIOD OF
600
00:21:19.027 --> 00:21:19.661
TIME.
601
00:21:19.661 --> 00:21:21.263
RECENTLY WE HAD ALL THIS COLD
602
00:21:21.263 --> 00:21:23.198
WEATHER ON THE EAST COAST AND
603
00:21:23.198 --> 00:21:25.267
YOU HAVE SEEN PICTURES OF PEOPLE
604
00:21:25.267 --> 00:21:27.102
TAKING POLICYING WATER, THROWING
605
00:21:27.102 --> 00:21:29.404
IT IN THE AIR AND IT RAPIDLY
606
00:21:29.404 --> 00:21:30.072
FREEZES.
607
00:21:30.072 --> 00:21:31.306
WHILE IT'S NOT THAT RAPID THERE
608
00:21:31.306 --> 00:21:33.709
IS A RESPONSE OF THE MATERIAL
609
00:21:33.709 --> 00:21:37.212
WHETHER IT IT'S BOILING WATER OR
610
00:21:37.212 --> 00:21:40.849
MOON REGULA, IT GOES FROM HOT TO
611
00:21:40.849 --> 00:21:43.185
COLD, AND WE MEASURE THAT
612
00:21:43.185 --> 00:21:45.253
TEMPERATURE DROP ON THE ORDER OF
613
00:21:45.253 --> 00:21:46.722
100 DEGREES DURING THE ECLIPSE.
614
00:21:46.722 --> 00:21:48.290
BY THE TIME IT'S COOLED OFF A
615
00:21:48.290 --> 00:21:50.192
LITTLE BIT THE SUN STARTS TO
616
00:21:50.192 --> 00:21:51.193
COME UP AGAIN.
617
00:21:51.193 --> 00:21:52.427
YOU SAW THE FIGURES.
618
00:21:52.427 --> 00:21:55.163
THE MOON IS IN TOTALITY FOR JUST
619
00:21:55.163 --> 00:21:56.365
OVER AN HOUR.
620
00:21:56.365 --> 00:21:58.233
SO IT'S NOT A LONG TIME FOR THE
621
00:21:58.233 --> 00:22:00.869
MOON TO QUICKLY COOL OFF, AND IT
622
00:22:00.869 --> 00:22:04.940
RETAINS SOME OF THE HEAT AND THE
623
00:22:04.940 --> 00:22:07.676
SUN AS IT'S RADIATING OUT TO
624
00:22:07.676 --> 00:22:08.410
SPACE.
625
00:22:08.410 --> 00:22:11.079
>> Katrina: THANK YOU, NOAA.
626
00:22:11.079 --> 00:22:12.981
THEY'RE ASKING HOW WE CAN SEE
627
00:22:12.981 --> 00:22:14.683
THE ECLIPSE IF IT'S CLOUDY.
628
00:22:14.683 --> 00:22:17.185
THERE IS GOING TO BE A LIVE
629
00:22:17.185 --> 00:22:19.654
BROADCAST STARTING AT 5:30
630
00:22:19.654 --> 00:22:21.023
EASTERN TIME.
631
00:22:21.023 --> 00:22:22.224
AND DENVER IS A COUPLE HOURS
632
00:22:22.224 --> 00:22:23.592
BEHIND, SO 3:30 A.M.
633
00:22:23.592 --> 00:22:25.994
IF YOU WANT TO GET UP, AND IT'S
634
00:22:25.994 --> 00:22:28.463
CLOUDY WRE YOU'RE AT, YOU CAN
635
00:22:28.463 --> 00:22:35.220
WATCH IT ON www.NASA.gov
636
00:22:35.220 --> 00:22:35.854
/LIVE.
637
00:22:35.854 --> 00:22:37.522
LET'S SEE, MORE PEOPLE ARE
638
00:22:37.522 --> 00:22:38.924
ASKING ABOUT THE TIMING OF THE
639
00:22:38.924 --> 00:22:39.558
MOON.
640
00:22:39.558 --> 00:22:41.493
SO MICHELLE, CAN WE GO OVER THAT
641
00:22:41.493 --> 00:22:42.094
AGAIN?
642
00:22:42.094 --> 00:22:44.029
JUST THE TIMING OF WHEN PEOPLE
643
00:22:44.029 --> 00:22:45.764
IN DIFFERENT TIME ZONES WILL BE
644
00:22:45.764 --> 00:22:46.832
ABLE TO SEE THE FULLEST PART OF
645
00:22:46.832 --> 00:22:47.866
THE ECLIPSE?
646
00:22:47.866 --> 00:22:48.600
>> Michelle: THAT'S RIGHT.
647
00:22:48.600 --> 00:22:50.035
IF YOU REMEMBER THE SOLAR
648
00:22:50.035 --> 00:23:03.849
ECLIPSE THERE WAS THE PENUMBRA
649
00:23:03.849 --> 00:23:08.887
AND THE UMBRA.
650
00:23:08.887 --> 00:23:15.093
PENUMBRA IS A SMASH SHADOW OF
651
00:23:15.093 --> 00:23:18.230
THE--A PARTIAL SHADOW OF THE
652
00:23:18.230 --> 00:23:18.697
ECLIPSE.
653
00:23:18.697 --> 00:23:19.731
AND WHEREVER YOU ARE, FOR
654
00:23:19.731 --> 00:23:22.634
EXAMPLE, ON THE EAST COAST WHERE
655
00:23:22.634 --> 00:23:25.704
IT'S THREE HOURS LATER, WE WON'T
656
00:23:25.704 --> 00:23:27.773
BE ABLE TO SEE THIS DARK AND RED
657
00:23:27.773 --> 00:23:29.007
PART OF THE ECLIPSE.
658
00:23:29.007 --> 00:23:30.675
BUT IF YOU'RE ON THE WEST COAST
659
00:23:30.675 --> 00:23:33.245
AT 5:30 IN THE MORNING WHEN THE
660
00:23:33.245 --> 00:23:35.180
SUN HAS NOT COME UP YET, LOOK
661
00:23:35.180 --> 00:23:36.047
TOWARDS THE WEST.
662
00:23:36.047 --> 00:23:37.349
THE MOON WILL BE SETTING IN THE
663
00:23:37.349 --> 00:23:39.885
WEST, AND YOU'LL SEE A REALLY
664
00:23:39.885 --> 00:23:41.987
BIG RED FULL MOON.
665
00:23:41.987 --> 00:23:44.022
>> Noah: YES, I THINK ONE OF THE
666
00:23:44.022 --> 00:23:45.924
COOL THINGS THAT HAPPENS, NOW
667
00:23:45.924 --> 00:23:48.460
THAT WE HAVE THIS BLUE SUPER
668
00:23:48.460 --> 00:23:50.295
MOON ECLIPSE, WE TALK ABOUT HOW
669
00:23:50.295 --> 00:23:53.331
THE MOON GETS BRIGHTER DURING A
670
00:23:53.331 --> 00:23:56.852
SUPER MOON.
671
00:23:56.852 --> 00:23:58.453
IT IS THAT MUCH LARGER IN THE
672
00:23:58.453 --> 00:23:59.054
SKY.
673
00:23:59.054 --> 00:24:01.206
THE SUN IS NOT CHANGING BUT IT
674
00:24:01.206 --> 00:24:03.508
IS JUST THAT MUCH BRIGHTER AND
675
00:24:03.508 --> 00:24:06.878
IT'S HELD UP IN THE SKY.
676
00:24:06.878 --> 00:24:09.114
AREA' GOING TO ONE OF THE
677
00:24:09.114 --> 00:24:10.081
BRIGHTEST MOONS WE'LL GET TO
678
00:24:10.081 --> 00:24:12.384
THIS DIMMING AS IT GOES INTO THE
679
00:24:12.384 --> 00:24:13.919
EARTH SHADOW.
680
00:24:13.919 --> 00:24:14.920
THIS EVENT GIVES YOU AN
681
00:24:14.920 --> 00:24:16.621
OPPORTUNITY TO SEE THE FULL
682
00:24:16.621 --> 00:24:18.056
DYNAMIC RANGE OF THE MOON FROM
683
00:24:18.056 --> 00:24:21.793
THE BRIGHTEST TO ITS DIMMIST,
684
00:24:21.793 --> 00:24:23.595
AND THE VISUALIZATION THAT WE
685
00:24:23.595 --> 00:24:25.664
HAVE OF THE MOON MOVING INTO THE
686
00:24:25.664 --> 00:24:28.433
EARTH SHADOW WHAT IS COOL YOU
687
00:24:28.433 --> 00:24:30.735
SEE THAT RED COLOR ONCE IT'S
688
00:24:30.735 --> 00:24:32.170
FULLY ENGULFED IN THE SHADOW.
689
00:24:32.170 --> 00:24:34.473
EVEN IF THERE IS TINY BIT OF
690
00:24:34.473 --> 00:24:36.174
BRIGHT MOON STICKING OUT, YOUR
691
00:24:36.174 --> 00:24:38.677
EYE DOES NOT SEE THE DIMNESS OF
692
00:24:38.677 --> 00:24:39.644
THAT RED COLOR.
693
00:24:39.644 --> 00:24:42.747
IT IS SO-SO DIM RELATIVE TO EVEN
694
00:24:42.747 --> 00:24:45.984
THE SMALL PART OF THE BRIGHT
695
00:24:45.984 --> 00:24:47.752
MOON ILLUMINATED.
696
00:24:47.752 --> 00:24:49.688
YOU ONLY SEE THIS BEAUTIFUL RED
697
00:24:49.688 --> 00:24:52.741
COLOR WHEN IT'S TOTALLY ENGULFED
698
00:24:52.741 --> 00:24:54.176
IN THE EARTH'S SHADOW.
699
00:24:54.176 --> 00:24:57.412
YOU MAY WONDER WHY WE DON'T GET
700
00:24:57.412 --> 00:24:59.314
THESE TOO OFTEN, WELL, IT'S ONLY
701
00:24:59.314 --> 00:25:01.533
THE POINT IN TIME WHEN IT'S
702
00:25:01.533 --> 00:25:03.902
PATHS TAKES IT INTO THAT SLENDER
703
00:25:03.902 --> 00:25:06.104
BUT BEAUTIFUL SHADOW OF THE
704
00:25:06.104 --> 00:25:07.439
EARTH CAST OUT INTO SPACE.
705
00:25:07.439 --> 00:25:09.174
WHEN YOU WATCH THAT RED MOON,
706
00:25:09.174 --> 00:25:10.942
REMEMBER, YOU'RE LOOKING AT THE
707
00:25:10.942 --> 00:25:13.378
SUM TOTAL OF ALL OF THE SUNRISES
708
00:25:13.378 --> 00:25:16.214
AND SUNSETS PROJECTED ON TO THE
709
00:25:16.214 --> 00:25:18.583
MOON SURFACE, WHICH IS JUST A
710
00:25:18.583 --> 00:25:21.052
BEAUTIFUL THING.
711
00:25:21.052 --> 00:25:23.822
THIS IS A MAGNIFICENT
712
00:25:23.822 --> 00:25:24.506
VISUALIZATION.
713
00:25:24.506 --> 00:25:26.942
AND SOME DAY FUTURE ASTRONAUTS
714
00:25:26.942 --> 00:25:28.543
MAY ENJOY THIS, LOOKING BACK AT
715
00:25:28.543 --> 00:25:30.312
THE RING OF FIRE, IF YOU WILL,
716
00:25:30.312 --> 00:25:32.180
AROUND THE EARTH.
717
00:25:32.180 --> 00:25:34.049
THAT WONDERFUL EARTH ATMOSPHERE
718
00:25:34.049 --> 00:25:37.369
TURNING THE SUNRISED SUNSET
719
00:25:37.369 --> 00:25:38.069
RED.
720
00:25:38.069 --> 00:25:38.837
>> Michelle: I ALWAYS THOUGHT
721
00:25:38.837 --> 00:25:41.139
THAT THE TERM BLOOD MOON SOUNDED
722
00:25:41.139 --> 00:25:42.874
SCARY OR OMINOUS, BUT IT'S RED
723
00:25:42.874 --> 00:25:44.976
BECAUSE IT'S THE EFFECT OF ALL
724
00:25:44.976 --> 00:25:47.112
THE SUNSETS AND SUNRISES.
725
00:25:47.112 --> 00:25:49.247
I LIKE TO THINK OF IT AS THE
726
00:25:49.247 --> 00:25:52.117
SUNSET MOON AND IT'S ROSY RED.
727
00:25:52.117 --> 00:25:53.285
>> Katrina: THIS IS TIME FOR ONE
728
00:25:53.285 --> 00:25:54.019
QUICK QUESTION.
729
00:25:54.019 --> 00:25:56.254
THIS IS THE LAST ONE.
730
00:25:56.254 --> 00:25:57.622
KIRSTEN WANTS TO KNOW, IF WE ALL
731
00:25:57.622 --> 00:25:59.057
SEE THE SAME SIDE OF THE MOON,
732
00:25:59.057 --> 00:26:01.560
WHAT IS THE OTHER SIDE LIKE?
733
00:26:01.560 --> 00:26:04.029
HAS ANY HUMAN OR SPACECRAFT SEEN
734
00:26:04.029 --> 00:26:05.297
THE OTHER SIDE OF THE MOON?
735
00:26:05.297 --> 00:26:06.565
>> Noah: THE FAR SIDE OF THE
736
00:26:06.565 --> 00:26:08.099
MOON, THAT'S A GREAT QUESTION.
737
00:26:08.099 --> 00:26:09.317
A LITTLE BIT OF A HISTORY
738
00:26:09.317 --> 00:26:09.851
LESSON.
739
00:26:09.851 --> 00:26:12.320
FIRST OF ALL, I HOPE EVERYONE
740
00:26:12.320 --> 00:26:13.855
ENJOYS LOOKING AT THE NEAR SIDE
741
00:26:13.855 --> 00:26:15.590
OF THE MOON.
742
00:26:15.590 --> 00:26:17.192
IT'S WONDERFUL.
743
00:26:17.192 --> 00:26:18.226
WE HAVE LAVA FLOWS THAT COVER
744
00:26:18.226 --> 00:26:20.895
THE PORTION AND THE HIGHLANDS
745
00:26:20.895 --> 00:26:21.663
CRUST OF THE MOON.
746
00:26:21.663 --> 00:26:22.897
BUT THERE IS THIS HALF OF THE
747
00:26:22.897 --> 00:26:24.449
MOON THAT WE NEVER GET TO SEE ON
748
00:26:24.449 --> 00:26:25.717
THE EARTH.
749
00:26:25.717 --> 00:26:27.752
FIRST YOUR QUESTION ABOUT
750
00:26:27.752 --> 00:26:29.354
ROBOTICS SPRAYS CRAFT.
751
00:26:29.354 --> 00:26:31.690
THE FIRST SPACECRAFT WAS A
752
00:26:31.690 --> 00:26:34.659
SOVIET SPACECRAFT AND TOOK THE
753
00:26:34.659 --> 00:26:36.061
FIRST IMAGES OF THE FAR SIDE OF
754
00:26:36.061 --> 00:26:37.996
THE MOON AND SHOWED A COMPLETELY
755
00:26:37.996 --> 00:26:39.364
DIFFERENT WORLD THAN WHAT WE'RE
756
00:26:39.364 --> 00:26:41.333
USED TO SEEING ON THE NEAR SIDE
757
00:26:41.333 --> 00:26:42.267
OF THE MOON.
758
00:26:42.267 --> 00:26:45.737
IT'S HEAVILY CRATERED, AND THERE
759
00:26:45.737 --> 00:26:48.907
ARE A FEW VOLCANIC PATCHES, AND
760
00:26:48.907 --> 00:26:49.841
VISUALLY IT'S QUITE DIFFERENT
761
00:26:49.841 --> 00:26:51.509
THAN WHAT WE SEE ON THE NEAR
762
00:26:51.509 --> 00:26:53.278
SIDE OF THE MOON.
763
00:26:53.278 --> 00:26:54.446
THE ONLY HUMANS TO SEE THE FAR
764
00:26:54.446 --> 00:26:57.248
SIDE OF THE MOON ARE THE
765
00:26:57.248 --> 00:26:58.850
ASTRONAUTS WHO ORBITED THE MOON
766
00:26:58.850 --> 00:27:01.019
OR LANDED ON THE MOON AND THEN
767
00:27:01.019 --> 00:27:04.356
THE DATA FROM LRO AND OTHER
768
00:27:04.356 --> 00:27:05.857
SPACECRAFT THAT HAVE ORBITED THE
769
00:27:05.857 --> 00:27:08.259
MOON THAT HAVE MADE MEASUREMENTS
770
00:27:08.259 --> 00:27:08.893
OF THE MOON.
771
00:27:08.893 --> 00:27:11.830
THE MOON IS THE SAME SURFACE
772
00:27:11.830 --> 00:27:16.768
AREA OF THE CONTINENT OF AFRICA.
773
00:27:16.768 --> 00:27:18.436
WE'VE ONLY LANDED ON THE NEAR
774
00:27:18.436 --> 00:27:19.004
SIDE.
775
00:27:19.004 --> 00:27:20.305
THE NEAR SIDE IS FAMILIAR TO US
776
00:27:20.305 --> 00:27:22.374
AND THE FAR SIDE IS THIS WHOLE
777
00:27:22.374 --> 00:27:25.243
OTHER WORLD YET TO BE EXPLORED.
778
00:27:25.243 --> 00:27:26.611
>> A LOT OF MOON LEFT TO BE
779
00:27:26.611 --> 00:27:27.445
EXPLORED.
780
00:27:27.445 --> 00:27:29.614
WE'RE ABOUT OUT OF TIME, BUT
781
00:27:29.614 --> 00:27:34.369
THANK YOU SO MUCH, MICHELLE AND
782
00:27:34.369 --> 00:27:37.355
NOAH FOR JOINING US.
783
00:27:37.355 --> 00:27:39.190
AND YOU CAN WATCH LIVE TOMORROW
784
00:27:39.190 --> 00:27:41.960
MORNING ON NASA TV STARTING AT
785
00:27:41.960 --> 00:27:44.195
5:30 EASTERN TIME TO VIEW LIVE
786
00:27:44.195 --> 00:27:47.282
STREAM OF THE SUPER BL BLUE BLOD
787
00:27:47.282 --> 00:27:48.767
MOON AT AND UNTIL THEN HAPPY SKY
788
00:27:48.767 --> 00:27:49.718
WATCHING.
789
00:27:49.734 --> 00:27:51.569
ENJOY THE MOON!